Water supply and waste collection system is essential system equipment for passengers and worker in train during train's running .It consists of supply and drainage water system and waste collection system ,which supply drink water ,clean water and re-lieve nature cosily and easily .This paper introduces the design structure of water supply and waste collection system about the high speed EMU with the example of some car .%车辆给排水系统及卫生系统是列车运行期间保证司乘人员工作和生活所必备的系统设备.介绍了给排水系统和卫生系统的总体结构 ,着重以高速列车项目中一个车型为例 ,分别介绍了其给排水系统和卫生系统的设计.
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